25380628

素因数分解:

$2^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{1423}}^1$

素因数の和:1461

約数の個数: 48

約数和(自身を含む): 55820800

約数和(自身を除く): 30440172

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 343, 364, 637, 686, 1274, 1372, 1423, 2548, 2846, 4459, 5692, 8918, 9961, 17836, 18499, 19922, 36998, 39844, 69727, 73996, 129493, 139454, 258986, 278908, 488089, 517972, 906451, 976178, 1812902, 1952356, 3625804, 6345157, 12690314, 25380628]

約数ペア:

[(1, 25380628), (2, 12690314), (4, 6345157), (7, 3625804), (13, 1952356), (14, 1812902), (26, 976178), (28, 906451), (49, 517972), (52, 488089), (91, 278908), (98, 258986), (182, 139454), (196, 129493), (343, 73996), (364, 69727), (637, 39844), (686, 36998), (1274, 19922), (1372, 18499), (1423, 17836), (2548, 9961), (2846, 8918), (4459, 5692)]